Search Results - "Savar, Véronique"

In situ use of bivalves and passive samplers to reveal water contamination by microcystins along a freshwater-marine continuum in France by Lance, Emilie, Lepoutre, Alexandra, Savar, Véronique, Robert, Elise, Bormans, Myriam, Amzil, Zouher

“…•MC transfer along a freshwater-marine continuum was recurrent over 2 years.•SPATTs efficiently integrated extracellular MC in fresh and estuarine…”
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Five Years Monitoring the Emergence of Unregulated Toxins in Shellfish in France (EMERGTOX 2018–2022) by Amzil, Zouher, Derrien, Amélie, Terre Terrillon, Aouregan, Savar, Véronique, Bertin, Thomas, Peyrat, Marion, Duval, Audrey, Lhaute, Korian, Arnich, Nathalie, Hort, Vincent, Nicolas, Marina

“…Shellfish accumulate microalgal toxins, which can make them unsafe for human consumption. In France, in accordance with EU regulations, three groups of marine…”
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Tetrodotoxins in French Bivalve Mollusks-Analytical Methodology, Environmental Dynamics and Screening of Bacterial Strain Collections by Réveillon, Damien, Savar, Véronique, Schaefer, Estelle, Chevé, Julien, Halm-Lemeille, Marie-Pierre, Hervio-Heath, Dominique, Travers, Marie-Agnès, Abadie, Eric, Rolland, Jean-Luc, Hess, Philipp

“…Tetrodotoxins (TTXs) are potentially lethal paralytic toxins that have been identified in European shellfish over recent years. Risk assessment has suggested…”
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Effect of environmental and nutritional factors on growth and azaspiracid production of the dinoflagellate Azadinium spinosum by Jauffrais, Thierry, Séchet, Véronique, Herrenknecht, Christine, Truquet, Philippe, Véronique, Savar, Tillmann, Urban, Hess, Philipp

“…•Azadinium spinosum was exposed to different environmental and nutritional factors.•Growth, biomass and AZA cell quota were observed in continuous and or batch…”
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A feedback mechanism to control apoptosis occurs in the digestive gland of the oyster crassostrea gigas exposed to the paralytic shellfish toxins producer Alexandrium catenella by Rolland, Jean-Luc, Medhioub, Walid, Vergnes, Agnes, Abi-Khalil, Celina, Savar, Véronique, Abadie, Eric, Masseret, Estelle, Amzil, Zouher, Laabir, Mohamed

“…To better understand the effect of Paralytic Shellfish Toxins (PSTs) accumulation in the digestive gland of the Pacific oyster, Crassostrea gigas, we…”
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Demonstrated transfer of cyanobacteria and cyanotoxins along a freshwater-marine continuum in France by Bormans, Myriam, Amzil, Zouher, Mineaud, Emilien, Brient, Luc, Savar, Véronique, Robert, Elise, Lance, Emilie

“…•This study reports on the transfer of both cyanobacteria and cyanotoxins from a freshwater reservoir to the marine outlet in France.•The very high correlation…”
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Physiological and Metabolic Responses of Freshwater and Brackish-Water Strains of Microcystis aeruginosa Acclimated to a Salinity Gradient: Insight into Salt Tolerance by Georges des Aulnois, Maxime, Roux, Pauline, Caruana, Amandine, Réveillon, Damien, Briand, Enora, Hervé, Fabienne, Savar, Véronique, Bormans, Myriam, Amzil, Zouher

“…Proliferation of microcystin (MC)-producing in brackish waters has been described in several locations and represents a new concern for public and…”
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Cyanobacteria and cyanotoxins in estuarine water and sediment by Bormans, Myriam, Savar, Véronique, Legrand, Benjamin, Mineaud, Emilien, Robert, Elise, Lance, Emilie, Amzil, Zouher

“…While transfer of freshwater cyanobacteria to estuaries has been observed worldwide, the associated transfer of cyanotoxins is less often reported, in…”
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Spatio-temporal connectivity of a toxic cyanobacterial community and its associated microbiome along a freshwater-marine continuum by Reignier, Océane, Bormans, Myriam, Hervé, Fabienne, Robert, Elise, Savar, Véronique, Tanniou, Simon, Amzil, Zouher, Noël, Cyril, Briand, Enora

“…•M. aeruginosa and M. wesenbergii survived salinities up to 20.•An increase in compatible solutes, particularly trehalose and betaine, occurred along the…”
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Sudden peak in tetrodotoxin in French oysters during the summer of 2021: Source investigation using microscopy, metabarcoding and droplet digital PCR by Biessy, Laura, Pearman, John K., Mertens, Kenneth Neil, Réveillon, Damien, Savar, Véronique, Hess, Philipp, Hampton, Hannah, Thompson, Lucy, Lebrun, Luc, Terre-Terrillon, Aouregan, Smith, Kirsty F.

“…Tetrodotoxin (TTX) is a potent neurotoxin causing human intoxications from contaminated seafood worldwide and is of emerging concern in Europe. Shellfish have…”
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Extraction and analysis by liquid chromatography – tandem mass spectrometry of intra- and extracellular microcystins and nodularin to study the fate of cyanobacteria and cyanotoxins across the freshwater-marine continuum by Réveillon, Damien, Georges des Aulnois, Maxime, Savar, Véronique, Robert, Elise, Caruana, Amandine M.N., Briand, Enora, Bormans, Myriam

“…The presence of microcystins (MCs) is increasingly being reported in coastal areas worldwide. To provide reliable data regarding this emerging concern,…”
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Beta-N-methylamino-L-alanine: LC-MS/MS optimization, screening of cyanobacterial strains and occurrence in shellfish from Thau, a French Mediterranean lagoon by Réveillon, Damien, Abadie, Eric, Séchet, Véronique, Brient, Luc, Savar, Véronique, Bardouil, Michèle, Hess, Philipp, Amzil, Zouher

“…β-N-methylamino-L-alanine (BMAA) is a neurotoxic non-protein amino acid suggested to be involved in neurodegenerative diseases. It was reported to be produced…”
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Influence of environmental factors on the paralytic shellfish toxin content and profile of Alexandrium catenella (Dinophyceae) isolated from the Mediterranean Sea by Laabir, Mohamed, Collos, Yves, Masseret, Estelle, Grzebyk, Daniel, Abadie, Eric, Savart, Véronique, Sibat, Manoella, Amzil, Zouher

“…Laboratory experiments were designed to study the toxin content and profile of the Alexandrium catenella strain ACT03 (isolated from Thau Lagoon, French…”
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Toxic dinoflagellate Centrodinium punctatum (Cleve) F.J.R. Taylor: An examination on the responses in growth and toxin contents to drastic changes of temperature and salinity by Shin, Hyeon Ho, Li, Zhun, Réveillon, Damien, Savar, Véronique, Hess, Philipp, Mertens, Kenneth Neil, Youn, Joo Yeon, Shin, Kyoungsoon, Lee, Jihoon, Shin, A-Young, Byun, Eunjung, Yoo, Yeong Du, Son, Moon Ho, Lee, Minji, Seo, Min Ho

“…To understand environmental effects affecting paralytic shellfish toxin production of Centrodinium punctatum, this study examined the growth responses, and…”
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First report on azaspiracid and yessotoxin groups detection in French shellfish by Amzil, Zouher, Sibat, Manoella, Royer, Florence, Savar, Véronique

“…The French Phytoplankton and Phycotoxins monitoring network (REPHY) recently found positive or dubious negative shellfish samples using lipophilic toxins mouse…”
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Relationship between valve activity, microalgae concentration in the water and toxin accumulation in the digestive gland of the Pacific oyster Crassostrea gigas exposed to Alexandrium minutum by Haberkorn, Hansy, Tran, Damien, Massabuau, Jean-Charles, Ciret, Pierre, Savar, Véronique, Soudant, Philippe

“…► Evaluation of behavioural responses of the Pacific oyster C. gigas to A. minutum exposure. ► Are behavioural changes related to concentration of harmful…”
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Exposure to the Paralytic Shellfish Toxin Producer Alexandrium catenella Increases the Susceptibility of the Oyster Crassostrea gigas to Pathogenic Vibrios by Abi-Khalil, Celina, Lopez-Joven, Carmen, Abadie, Eric, Savar, Veronique, Amzil, Zouher, Laabir, Mohamed, Rolland, Jean-Luc

“…The multifactorial etiology of massive Crassostrea gigas summer mortalities results from complex interactions between oysters, opportunistic pathogens and…”
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Warming and polymetallic stress induce proteomic and physiological shifts in the neurotoxic Alexandrium pacificum as possible response to global changes by Jean, Natacha, James, Amandin, Balliau, Thierry, Martino, Christian, Ghersy, Jérôme, Savar, Véronique, Laabir, Mohamed, Caruana, Amandine M.N.

“…Harmful Algal Blooms involving the dinoflagellate Alexandrium pacificum continue to increase in ecosystems suffering the climate warming and anthropogenic…”
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Effects of salinity and nutrient stress on a toxic freshwater cyanobacterial community and its associated microbiome: An experimental study by Reignier, Océane, Briand, Enora, Hervé, Fabienne, Robert, Elise, Savar, Véronique, Tanniou, Simon, Amzil, Zouher, Noël, Cyril, Bormans, Myriam

“…We aimed to evaluate the ability of naturally occurring colonies of Microcystis, embedded in a thick mucilage, to persist in estuarine waters. In two batch…”
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Exposure to the neurotoxic dinoflagellate, Alexandrium catenella, induces apoptosis of the hemocytes of the oyster, Crassostrea gigas by Medhioub, Walid, Ramondenc, Simon, Vanhove, Audrey Sophie, Vergnes, Agnes, Masseret, Estelle, Savar, Veronique, Amzil, Zouher, Laabir, Mohamed, Rolland, Jean Luc

“…This study assessed the apoptotic process occurring in the hemocytes of the Pacific oyster, Crassostrea gigas, exposed to Alexandrium catenella, a paralytic…”
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